Profile Spline Drive Sprocket Sprockets adaptors: included for 22mm and

adaptors: included for 22mm and 19mm crank spindles (fits 24mm w/out adapters)

Aero rim styling

Double wall

4mm wall straight-gauge 4130 chromoly arms with concentric taper

dropouts and seatstay bridge

Profile Spline Drive Sprocket Sprockets adaptors: included for 22mm andmaterial: CNC machined from 7075 Aluminum size: choose available teeth in the menu option above teeth: 1 8 inch thickness: 6mm bore: splined for 48 spline 19mm cranks additional information: Requires no sprocket bolt. Instead, it has a hardened CrMo steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer. NOTE: Spline drive sprockets are not compatible with 2 piece cranks for Right Side Drive (not enough